polynomial
Asked by | 27th Apr, 2008, 09:23: PM
Expert Answer:
Let α and β be the zeros of the polynomial f( x) = x2 + p x + 45
then α +β = -p / 1 =p and αβ = 45
as per question (α - β )2 =144
(α + β )2 -- 4αβ = 144
( p )2 -- 4 * 45 = 144
p2 = 144 + 180
p2 = 324
p = ± 18
Answered by | 27th Apr, 2008, 11:10: PM
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